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FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsub_parser.c that allows attackers to trigger a heap…

高危 CVSS 7.8
CVECVE-2026-70628
首次发现2026-08-07 00:15 UTC
披露时间2026-08-06 22:18 UTC
最后更新2026-08-07 00:15 UTC
通道状态auto

摘要

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsub_parser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard expression to wrap to INT_MIN, bypassing the PARSE_BUF_SIZE comparison and invoking memcpy() with attacker-controlled data into a heap buffer, resulting in an out-of-bounds heap write and potential memory co…

中文摘要建设中，暂以英文摘要呈现（DR-003 v2）。

深度研判 · 自动通道

该漏洞尚未生成深度研判报告（DR-003 v2 AI pipeline 建设中）。

Lint 边界警告 (4)

以下是本次研判 lint 阶段发现的非阻塞性警告（如引用 URL 未在白名单内）。这些不影响漏洞条目可用性，仅为透明度披露（参 DR-002）。

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/02fc47e13f903768b75f7985a2706a6223ab4506
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/93f2a525ec6c7b467bae68322720d10188fc6e30
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/c6ec28b18cd1eb7d39e6163137367f2d1c62aa7c
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23897

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD